642360050

素因数分解:

$2^1\times 5^2\times {\mathrm{12847201}}^1$

素因数の和:12847213

約数の個数: 12

約数和(自身を含む): 1194789786

約数和(自身を除く): 552429736

約数列:

[1, 2, 5, 10, 25, 50, 12847201, 25694402, 64236005, 128472010, 321180025, 642360050]

約数ペア:

[(1, 642360050), (2, 321180025), (5, 128472010), (10, 64236005), (25, 25694402), (50, 12847201)]